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3rd and a half gear???

This is a discussion on 3rd and a half gear??? within the Automatic Transmission forums, part of the Drivetrain category; Has anyone experienced this.... I have a 2002 Trans Am. When the car shifts from third to fourth gear, there ...

  1. #1
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    3rd and a half gear???

    Has anyone experienced this....

    I have a 2002 Trans Am. When the car shifts from third to fourth gear, there seems to be a 3rd and a half gear in there as the RPM's will drop a bit for a few seconds, then finally drops all the way down when 4th is fully engaged.

    The dealer tells me that this is normal. Somehow I don't think that it should be doing this. I flushed the transmission and that just seemed to make the 3rd and a half pause much shorter. But it has been slowly moving back up in the amount of time spent at that in between third and fourth gear phase.

    Should this be happening? Has anyone else experienced this?

    Thanks,
    Jim

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    That's probably your torque convertor locking. But what all do you have done to it?

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    Member kev70ss's Avatar
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    thats seems normal. Your car is going from 3rd to 4th and then the torque converter locks up in 4th. When it locks up the rpms drop like 300ish i believe

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    Senior Member mrr23's Avatar
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    the TC will lock in 3rd gear as well as 4th. sometimes the converter locks in third, then unlock, then shift into 4th and then lock again.

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    Quote Originally Posted by kev70ss View Post
    thats seems normal. Your car is going from 3rd to 4th and then the torque converter locks up in 4th. When it locks up the rpms drop like 300ish i believe
    Interesting. So this is normal. Just seemed unusual to me to have two RPM drops going from 3rd to 4rth gear.

    Thanks,
    Jim

  6. #6
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    Quote Originally Posted by Chevellessjeff View Post
    That's probably your torque convertor locking. But what all do you have done to it?
    I have done nothing to the TC. It is all stock.

  7. #7
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    My friends 98 is doing that same thing. He has 3.73's and it started doing it right after the hypertech tuner. It's just annoying more than anything.

  8. #8
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    It is normal.....

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